fix bug with bitcoin address prefix check

stroomnetwork · Jul 24, 2024 · 9ecc968 · 9ecc968
1 parent d11eb46
commit 9ecc968
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/BitcoinUtils.sol b/src/BitcoinUtils.sol
@@ -132,7 +132,7 @@ contract BitcoinUtils {
         bytes memory prefix = BitcoinNetworkEncoder.getBtcBech32Prefix(network);
 
         if (equalBytes(bytes(BTCAddress)[: 1], BTC_P2PKH) || equalBytes(bytes(BTCAddress)[: 1], BTC_P2SH) &&
-        !equalBytes(bytes(BTCAddress)[: 3], prefix)) {
+        !equalBytes(bytes(BTCAddress)[: prefix.length], prefix)) {
             if (bytes(BTCAddress).length < 26 || bytes(BTCAddress).length > 35 || !alphabetCheck(bytes(BTCAddress))) {
                 return false;
             }